Bosun

is an open-source, MIT licensed, monitoring and alerting system by Stack Exchange. It has an expressive domain specific language for evaluating alerts and creating detailed notifications. It also lets you test your alerts against history for a faster development experience.

Try It

Want to jump right in? Follow our quick start tutorial to get Bosun, OpenTSDB, and scollector up quickly using our published docker images.

Download It

Download the prebuilt binaries for Bosun and our optional but valuable monitoring agent (Currently works only with OpenTSDB) scollector for Windows, Linux, and Mac.